Nichols — A List oft/ie Marine MoIIusca of Ivdaml. 619 



iii. Cork (Humphreys, '45): E. I. A. Exp., 1885, off Baltimore, 



30 fms. (Swanston, '86). 

 iv. "Porcupine" Exp., 1869, 90 fms. (Jeffreys, '79): 11. 1. A. Exp., 



1885, 1886, off Berehaven, 5-25 fms. (Chaster, '98). 



V. "Porcupine " Exp. 1869, Galway Bay, 15-20 fms. (Jeffreys, '79) : 



Birterbuy Bay, living (Walpole, '52) : lloundstone (Alcock, 



'65) : E. D. S. Eish. Survey, 1890, lloundstone, a valve (Jordan). 



Bistribidion. — Finmark to Mediterranean. Azores. Canaries. 



Tristan da Cunha, " Challenger." 



Lima Mans (Gmelin). 

 i., ii., . . v., vi. 



i. Coast of Derry (Ordnance Survey Coll. in Dublin Mus.) : off 

 Larne, a single valve (Waller Coll. in Dublin Mus.) : Belfast 

 Lough, 7 fms., one specimen (Ordnance Mus., f . Thompson, '56) : 

 Belfast Lough (one specimen in Belfast Mus., f. Praeger, '89 ; 

 Praeger, '94). 

 ii. Killiney Bay, 15 fms., a live specimen CWalpole, '52) : Greystones 



(Mackintosh, '84). 

 V. Dog's Bay, Boundstone (Standen, '95). 



vi. Mulroy Bay, Donegal, plentiful (Hart, '92 ; living, Darbishire, 

 f. Praeger, '94). 

 Listrihution. — Loffoden I. to Mediterranean. Azores. Madeira. 

 €anaries. Off Bermuda, " Challenger." W. Indies (Dall). 



Order.— EULAMELLIBIIANCHIATA. 



Eamily. — Astahtid^. 



Astarte sulcata (Da Costa). 



i., ii., iii., iv., [v.], . 



i. Generally distributed in sand and mud; also var. scottca, Maton. 

 & Backett. Var. elliptica, Brown. Belfast Lough (Belfast 

 Mus., f. Praeger, '89). 

 ii. Portmarnock (Brown, '44): Howth, &c., single valves (Hart, '92) : 

 Dublin Bay, uncommon (Kinahan, '61) : Dalkey Sound, 

 scarce (Walpole, '53a) : Bray (Turton, '19 ; living, Brown, '44) : 

 Greystones (Mackintosh, '84). Yar. scotica. Coast of Down 

 (Brown, '44) : Dalkey Sound, scarce (Walpole, '53a) : Bray, 

 not common (O'Kelly, f. Thompson, '56). Yar. elliptiea. 

 Dalkey Sound, very rare (Walpole, '53a) : Greystones 

 (Mackintosh, '84). 



